Article
Engineering, Electrical & Electronic
Omer Yildirim, Ibrahim Bozyel, Kubra Saka, Temel Kayikcioglu, Dincer Gokcen
Summary: By designing a capacitive motion sensor and a read-out circuit using PDMS as the sensor material, accurate detection of human movements and obtaining different motion patterns can be achieved.
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Chien-Hung Lin, Bo-Yi Guo
Summary: The utilization of 3D printing in MEMS sensor fabrication offers advantages such as low cost, customization, simplicity, and speed. This study conducted mechanical and electrical analyses on different dielectric layer structures using the finite element method and produced capacitive force sensors using 3D printing with FDM. The results showed that pre-heating the dielectric layer can reduce hysteresis effects, while stringing phenomena during printing can compromise sensor reliability. The study demonstrates the potential for additive manufacturing to replace conventional MEMS processes in sensor production with the advancement of FDM printing technology in the future.
MATERIALS RESEARCH EXPRESS
(2023)
Article
Computer Science, Information Systems
Duje Coko, Ivo Stancic, Lea Dujic Rodic, Dora Cosic
Summary: In this paper, the development of a novel contactless omnidirectional capacitive proximity sensor is presented. The sensor is energy-efficient and has been extensively evaluated for its performance. It can be easily utilized in various applications, such as mobile robotics and human-machine interaction.
Article
Chemistry, Analytical
Christopher Beale, Antonio Altana, Stefanie Hamacher, Alexey Yakushenko, Dirk Mayer, Bernhard Wolfrum, Andreas Offenhausser
Summary: This article investigates the use of inkjet printed and flash lamp annealed Ta2O5 as a capacitive pH sensing layer in pH sensors. The study shows that the double layer capacitance changes with pH in a specific range, and the sensor may have potential applications in other fields.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Engineering, Electrical & Electronic
Chi Zhang, Shang-Yang Zhang, Li-Feng Wang
Summary: The proposed sawtooth MEMS capacitive strain sensor can accurately measure strain in harsh working environments such as bearings, achieving wireless passive telemetry. Experimental results show that the sensor has high sensitivity and gain, and reliable measurements can still be obtained under high centrifugal forces.
IEEE SENSORS JOURNAL
(2021)
Article
Computer Science, Information Systems
Xinquan Lai, Yuheng Wang, Qinqin Li, Kashif Habib
Summary: The paper proposes a reset noise sampling feedforward (RNSF) technique to reduce the noise floor of MEMS capacitive accelerometers. The RNSF technique effectively suppresses the noise from parasitic capacitance, resulting in improved noise performance. Simulation and measurement results demonstrate the effectiveness of the RNSF technique in reducing noise floor.
Article
Engineering, Mechanical
Saber Azizi, Hadi Madinei, Javad Taghipour, Hassen M. Ouakad
Summary: The present study examines the effect of nonlinearity on the efficiency enhancement of a capacitive energy harvester, and evaluates the efficiency of the device near the primary and super-harmonic resonances. Bifurcation analysis is conducted to investigate the dynamics of the system. It is found that nonlinearity affects both the bandwidth broadening and efficiency improvement of the energy harvester.
NONLINEAR DYNAMICS
(2022)
Article
Materials Science, Multidisciplinary
Chenggen Wu, Lei Han, Jichao Zhang, Yongqing Wang, Rui Wang, LiJun Chen
Summary: Gas sensing in enclosed spaces is crucial, and capacitive ammonia sensors based on GO/PANI nanocomposites exhibit high sensitivity and fast response time. The model describes the sensor by variations in width of the space charge region caused by hole injection, with theoretical and experimental results matching closely.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Engineering, Multidisciplinary
Emmanuel Ogunniyi, Alexander Vareen, Austin R. J. Downey, Simon Laflamme, Jian Li, Caroline Bennett, William Collins, Hongki Jo, Alexander Henderson, Paul Ziehl
Summary: Damage to bridges can lead to fatal structural failures. Monitoring and detecting cracks in concrete infrastructure is important for reducing these risks, but it can be expensive due to the number of sensors required. This study explores the use of rubber isolators to reduce the capacitive coupling between concrete and sensors, and demonstrates accurate strain monitoring with the SEC sensor on concrete beams and bridge decks.
MEASUREMENT SCIENCE AND TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Semih Taniker, Vincenzo Costanza, Paolo Celli, Chiara Daraio
Summary: We propose the realization of capacitive temperature sensors based on the concept of displacement amplification. Our design utilizes high CTE metallic layers and a low CTE dielectric layer to achieve large out-of-plane displacements and capacitive changes as the temperature increases.
IEEE SENSORS JOURNAL
(2022)
Article
Nanoscience & Nanotechnology
Lekshmi A. Kurup, Cameron M. Cole, Joshua N. Arthur, Soniya D. Yambem
Summary: The development of capacitive flexible pressure sensors using graphene-based conductive foams showed high sensitivity and durability, especially in detecting weak physiological signals within a low pressure range. The porous foams with graphene-coated pores demonstrated the highest sensitivity and showed potential applications in biomedical sensing and wearable devices.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Analytical
Mohammad H. Hasan, Amin Abbasalipour, Hamed Nikfarjam, Siavash Pourkamali, Muhammad Emad-Ud-Din, Roozbeh Jafari, Fadi Alsaleem
Summary: This paper presents a novel computing approach using MEMS sensors for sensing and computing to reduce power consumption, size, and cost of wearable electronics. The effectiveness of this approach is verified through simulation models and experiments, with a proposed strategy to address coupling challenges in MEMS networks.
Article
Engineering, Electrical & Electronic
Marcelo Alejandro Haberman, Enrique Mario Spinelli, Ferran Reverter
Summary: This article proposes a novel supply-voltage driving (SVDR) scheme for capacitive sensor front-ends to eliminate parasitic capacitance effects. Through the use of active-shielding technique and smart driving of the amplifier supply voltage reference node, the effects of parasitic capacitance of the cable are avoided. Experimental testing demonstrates the feasibility of the circuit, which does not require bulky components and is a lower-cost solution suitable for integration.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2022)
Article
Multidisciplinary Sciences
Feng Niu, Fugong Zhou, Zhixun Wang, Lei Wei, Jie Hu, Lei Dong, Yifei Ma, Mei Wang, Suotang Jia, Xuyuan Chen, Zhaomin Tong
Summary: Doped Si/SiO2 fibers were prepared as substrates to fabricate MOS gas sensors, overcoming the limitations of traditional MOS gas sensors in wearable devices. Co-doped ZnO nanorods were in situ synthesized on the fiber surface to create a methane gas sensor. The doped Si core acted as a heating source, reducing heat loss, while the SiO2 cladding served as an insulating substrate. The gas sensor was integrated into a wearable device and real-time monitoring of CH4 concentration was achieved using different colored LEDs. This study demonstrated the feasibility and advantages of using doped Si/SiO2 fibers for wearable MOS gas sensors.
Article
Chemistry, Analytical
Yongfeng Mu, Pengfei Jin, Li Zheng, Chao Wang, Yanjie Hou, Weiwei Liu, Liangyou Si, Zhihui Liu
Summary: In this study, the humidity sensing performance of a polyimide capacitive-type relative humidity sensor was enhanced by incorporating modified halloysite nanotubes (HNTs) in the sensing layer. The modified sensor exhibited enhanced sensitivity, low humidity hysteresis, and good linearity, making it promising for humidity measurement.
MICROCHEMICAL JOURNAL
(2023)
Article
Radiology, Nuclear Medicine & Medical Imaging
Ilenia D'Adda, Ashley J. Morahan, Marco Carminati, Kjell Erlandsson, Michael Ljungberg, Brian F. Hutton, Carlo Fiorini
Summary: A prototype clinical brain single-photon emission computed tomography (SPECT) insert has been designed for use in simultaneous SPECT/MRI. The system incorporates novel slit-slat collimators and a statistical algorithm to determine the depth-of-interaction (DOI) for improved image performance. Monte Carlo simulation and experimental results showed the importance of DOI correction and suggested that four DOI layers may be sufficient. However, some limitations in event localization close to the readout plane were observed in the full clinical prototype.
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES
(2022)
Article
Biophysics
Paola Piedimonte, Laura Sola, Marina Cretich, Alessandro Gori, Marcella Chiari, Edoardo Marchisio, Piero Borga, Riccardo Bertacco, Andrea Melloni, Giorgio Ferrari, Marco Sampietro
Summary: We have developed a biosensing system that can detect viruses through serological analysis based on impedance variation. The system has high sensitivity and can be easily adapted to different pathogens and diseases.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Optics
Maziyar Milanizadeh, SeyedMohammad SeyedinNavadeh, Francesco Zanetto, Vittorio Grimaldi, Christian De Vita, Charalambos Klitis, Marc Sorel, Giorgio Ferrari, David A. B. Miller, Andrea Melloni, Francesco Morichetti
Summary: This paper introduces a novel adaptive multibeam receiver that can separate and simultaneously detect multiple beams sharing the same wavelength and polarization in the optical domain. By using a programmable integrated photonic processor and a two-dimensional array of optical antennas, the separation of beam pairs with different directions and overlapping spatial modes is achieved.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Instruments & Instrumentation
Anita Caracciolo, Davide Di Vita, Luca Buonanno, Marco Carminati, Nicoletta Protti, Saverio Altieri, Andrea Pola, Davide Bortot, Carlo Fiorini
Summary: In this study, the experimental validation of a detection module based on a LaBr3(Ce+Sr) scintillator crystal and a matrix of Silicon Photomultipliers (SiPMs) was conducted for the development of a SPECT system in Boron Neutron Capture Therapy (BNCT). The results demonstrate that the detector is capable of detecting gamma rays at 478 keV, allowing for the real-time localization and quantification of the local dose released during BNCT treatment. The detector exhibits good energy resolution and linearity between the number of events detected at 478 keV and the boron concentration of the samples.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
S. Di Giacomo, G. Utica, M. Carminati, G. Borghi, A. Picciotto, C. Fiorini
Summary: In proton therapy, the interaction between charged particles and tissue provides better tumor coverage compared to conventional radiotherapy. However, the range uncertainties of proton limit its full potential in clinical practice. This article investigates the timing capability of silicon drift detector (SDD) as a photodetector for detecting high-energy gamma rays. Through simulation and experimental characterization, the timing performance of the detector is assessed, showing sub-ns timing resolution at the expected signal levels in the target application.
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Anita Caracciolo, Luca Buonanno, Davide Di Vita, Ilenia D'Adda, Andrew Chacon, Marissa Kielly, Marco Carminati, Mitra Safavi-Naeini, Carlo Fiorini
Summary: In this paper, we present a gamma-ray detection module for quantifying boron neutron capture events in boron neutron capture therapy and neutron capture enhanced particle therapy. The module achieves excellent energy resolution and position sensitivity, making it suitable for dose estimation in patient treatment.
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES
(2022)
Article
Instruments & Instrumentation
A. Nava, M. Biassoni, S. Pozzi, M. Carminati, P. Lechner
Summary: Silicon Drift Detectors (SDDs) are a promising technology for electron spectroscopy due to their excellent energy resolution and high interaction rate capability. We propose a model based on a Geant4 simulation to study electron response. We explore the potential of using SDD as a versatile and compact beta spectrometer that can be operated with standard technologies.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Article
Instruments & Instrumentation
Marco Carminati, Matteo Gugiatti, Daniel Siegmann, Korbinian Urban, Pietro King, Frank Edzards, Peter Lechner, Susanne Mertens, Carlo Fiorini
Summary: We present the first experimental results achieved using a monolithic array of 166 Silicon Drift Detectors (SDD). The goal of the TRISTAN experiment was to search for a sterile neutrino in the keV mass range through accurate Beta spectroscopy of Tritium decay. We provided a brief report on the design and characterization of the full signal chain, including the SDD array, acquisition platform, and achieved energy resolution.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Article
Instruments & Instrumentation
Anita Caracciolo, Davide Di Vita, Tommaso Ferri, Marco Carminati, Nicoletta Protti, Saverio Altieri, Franco Camera, Carlo Fiorini
Summary: We report the performance of a compact gamma-ray detection prototype, which consists of two LaBr3 scintillator crystals coupled to 64 SiPMs. This prototype is designed for a future SPECT system for dose monitoring in BNCT. The module successfully detects the 478 keV gamma rays emitted by the boron neutron capture reactions and demonstrates good energy resolution. Preliminary imaging results using a Convolutional Neural Network and a 137Cs source are also presented.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Review
Radiology, Nuclear Medicine & Medical Imaging
Andrea Missaglia, Aicha Bourkadi-Idrissi, Francesco Casamichiela, Davide Mazzucconi, Marco Carminati, Stefano Agosteo, Carlo Fiorini
Summary: This study investigates the feasibility of measuring the prompt-gamma fall-off inside the high neutron background of carbon-ion irradiation using a knife-edge slit camera. The uncertainty in retrieving the particle range of carbon ions at clinically relevant energy was also evaluated. The simulation results show that the three analytical methods used in this study achieve a precision of about 4 mm in determining the dose profile fall-off in case of a spill irradiation and have consistent predictions.
PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS
(2023)
Article
Chemistry, Analytical
Danilo Aparecido Carnevale Castillo, Marco Carminati
Summary: Water leakage is a major issue in distribution infrastructures, with significant water loss in old networks. To tackle this problem, we developed an impedance sensor capable of detecting small water leaks. This sensor utilizes longitudinal electrodes placed on the external surface of pipes, which detect changes in impedance caused by the presence of water. We conducted numerical simulations and laboratory experiments to optimize the sensor's design and prove its effectiveness.
Article
Chemistry, Analytical
Christian Riboldi, Danilo A. Carnevale Castillo, Daniele M. Crafa, Marco Carminati
Summary: To simplify the installation of sensors, we demonstrate the clamping of piezoelectric transducers and strip electrodes on plastic pipes for measurement of water flow rate, temperature, and impedance. Experimental results validate the sensors in realistic conditions, and tradeoffs in accuracy, deployment, and fabrication are discussed.
Article
Chemistry, Physical
Giulio Tavani, Chiara Barri, Erfan Mafakheri, Giorgia Franzo, Michele Celebrano, Michele Castriotta, Matteo Di Giancamillo, Giorgio Ferrari, Francesco Picciariello, Giulio Foletto, Costantino Agnesi, Giuseppe Vallone, Paolo Villoresi, Vito Sorianello, Davide Rotta, Marco Finazzi, Monica Bollani, Enrico Prati
Summary: Recent advancements in QKD protocols have explored the use of erbium-doped LEDs as nonlaser sources for quantum key distribution. Silicon LEDs based on electroluminescence of Er:O complexes in Si have been fabricated on a 220 nm SOI wafer. The Er:O diodes showed emission rates of 5 x 10^6 photons/s at 1550 nm at room temperature, and their integration on the SOI platform allows for the development of silicon photon sources suitable for arbitrary-statistic-tolerant QKD protocols.
Article
Radiology, Nuclear Medicine & Medical Imaging
Beatrice Pedretti, Susanna Di Giacomo, Luca Buonanno, Ilenia D'Adda, Carlo Alaimo, Marco Carminati, Carlo Fiorini
Summary: In this article, the authors study machine learning algorithms to simplify the computation of planar scintillation coordinates in Anger Cameras for emission tomography applications. They explore the use of principal component analysis (PCA) and decision tree (DT) classifiers to reduce computational complexity without degrading spatial resolution.
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES
(2023)
Article
Computer Science, Hardware & Architecture
Michele Castriotta, Enrico Prati, Giorgio Ferrari
Summary: A fully integrated CMOS readout operating at cryogenic temperature for semiconductor spin qubits is developed and tested, which can resolve a variation of the sensing current of 250 pA with a submicrosecond time resolution and a fidelity of 99.86%. Our solution does not require off-chip components and the handling of microwave signals, providing a more compact and reliable readout system.
IEEE SOLID-STATE CIRCUITS LETTERS
(2023)
Article
Engineering, Electrical & Electronic
Kehao Feng, Zhenghua Zhang, Guohua Bai, Xiuyuan Fan, Rongzhi Zhao, Xuefeng Zhang
Summary: This paper proposes a new method to accurately evaluate the high-frequency power loss of soft magnetic materials. Through a two-step calibration, the system is able to compensate for the phase angle discrepancy between the exciting current and induced voltage, enabling a higher power loss measurement frequency.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Mingfang Kang, Tong Liu, Hongmei Sun, Lin Li, Keliang Wang
Summary: In this study, the absorption performance of ambient nitrogenous toxic gases on a monolayer of blue phosphorus phase germanium selenide (GeSe) was investigated using density-functional theory calculations. The results showed that GeSe monolayer exhibits higher sensitivity and selectivity for the hazardous gas NO.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Yaqiong Niu, Zhicheng Zou, Longsheng Cheng, Chaofeng Ye
Summary: This paper proposes a novel method to stabilize the laser diode output using a close-loop control with two feedbacks. The proposed method performs better for long-time operations.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Jiajie Li, Ying Liu, Zhen Chai, Qian Cao, Renjie Li, Yueyang Zhai
Summary: This study proposed an efficient and high-quality beam-splitting method based on a diffractive optical element, enabling multichannel SERF atomic magnetometers to achieve ultra-high consistency and sensitivity. It has significant applications in array biomagnetic measurement systems.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
E. Oliveira, C. Doering, H. Fouckhardt
Summary: With the development of Lab on a chip technology, fluid management using dispersed droplets has become an important approach. Electrowetting on dielectric (EWOD) is one method for droplet actuation, but it requires prior definition of droplet positions. Optoelectrowetting (OEW) goes further by allowing changes in electrical parameters through impinging light spots, without the need for predefined droplet positions. This study re-evaluates the key parameters of OEW and explores their effects on droplet actuation using numerical optimization methods.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Haipeng Wang, Zhiguo Wang, Gancheng Zhu, Shuai Zhang
Summary: A novel capacitive proximity skin was developed to improve the performance of robotics in handling liquid-filled containers. This skin features a flexible structure that can adapt to different grippers and seamlessly integrate with Robot Operating System. Experimental results demonstrated that this proximity skin achieved data-lossless detection and contactless measurement of liquid level, making it suitable for grasping operations.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Tsenguun Byambadorj, Xiangyu Zhao, Yutao Qin, Yogesh B. Gianchandani
Summary: In this research, a monolithically microfabricated Knudsen pump (KP) without suspended membranes was presented. These pumps offer improved mechanical robustness, wider process window, and simplified microfabrication process compared to previous designs. The experimental results matched the modeling results well, indicating the potential for monolithic integration onto complex lab-on-a-chip systems.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Hamed Karami, Saeed Karami Chemeh, Vahid Azizi, Hooman Sharifnasab, Jose Ramos, Mohammed Kamruzzaman
Summary: Aroma is a significant quality trait for pharmaceutical plants and their products, indicating the quality of the raw material. An electronic nose is an efficient approach for identifying and evaluating the aroma of essential oils. In this study, tarragon was dried at different temperatures and air velocities, and the purity of tarragon essential oil was evaluated using an electronic nose. Multivariate data analysis and artificial neural networks modeling were employed to quantify and classify the obtained essential oils.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Xiaoyang Duan, Dan Xu, Wenjun Jia, Ran Li, Bohao Sun, Ruitian Yan, Wenjie Zhao
Summary: Flower-like WO3/WS2 heterojunction materials constructed via a low-temperature in-situ oxidation method exhibit significant improvements in the detection of NO2 gas in gas sensors, along with good selectivity and reproducibility.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Peng Yu, Mengyang Zhang, Manqi You, Yuxi Gao, Landong Xiao, Yan Peng, Jingxia Lai, Zhouzhao Shi, Siwei Luo, Gencai Guo, Gang Guo
Summary: Recent studies have shown that two-dimensional Janus transition metal dichalcogenides (TMDs) have great potential for applications in gas sensors. By conducting first principles calculations, this study explores the potential application of Pd-doped monolayer HfSeS as gas sensor materials for detecting CO, CO2, NH3, and NO. The results demonstrate the good thermodynamical stability and reversible adsorption of these molecules on both pristine and Pd-doped HfSeS, with Pd-doped HfSeS showing higher sensitivity towards NO due to its metallic behavior upon NO adsorption.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Jinlan Yang, Linjiao Li, Jun Huang, Quan Zhang, Hiba Affane
Summary: This study proposes a method for large-scale aggregation of micro-particles by creating a vortex region using low-frequency oscillation. Experimental results show that this method can achieve a large aggregation area and has the advantages of low cost and low power consumption.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Jitendra Singh, Saurabh Kumar Gupta, Vinita
Summary: In this investigation, a Surface Acoustic Wave (SAW) formalin gas sensor was explored for low-level formalin gas sensing applications. The sensor showed stable response and high sensitivity to formalin gas concentration, making it a reliable and useful sensor for room temperature operations.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Junyao Wang, Yahao Liu, Huan Liu, Qi Hou, Jianxin Xu, Hongxu Pan, Jingran Quan, Yansong Chen, Hanbo Yang, Lixiang Li
Summary: A flexible electrode with a serpentine-shaped tetra-chiral structure was designed to improve the mechanical properties and prevent mechanical fracture of flexible electrodes. The research demonstrated that this structure reduced the maximum tensile stress by 87.19% compared to the existing tetra-chiral structure. The flexible electrode remained conductive even at a strain of 70% and showed resistance values of 5 ohm and 4.4 ohm at a bending angle of 180 degrees and after 1000 fold cycles. Furthermore, the flexible electrodes showed great potential in biological signal monitoring, particularly in collecting ECG and pulse signals.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
Taihao Chen, Yong Fang, Mengru Zhu, Zhiwei Zhao, Wei Lei, Zhuoya Zhu, Helong Jiang
Summary: Flexible dual-spectral carbon nanodots/flexible n-silicon heterojunction photodetectors with high responsivity and detectivity are reported. These detectors show photo response in UV illumination and only in forward bias under visible illumination. The photocurrent of the device remains high even under bending strain.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
Article
Engineering, Electrical & Electronic
M. S. Sikandar Bathusha, Israr Ud Din, Rehan Umer, Kamran A. Khan
Summary: Graphene-based nanomaterials are used as embedded sensors to monitor fracture behavior in composite structures. This study investigates the in-situ crack propagation and fracture behavior in a glass fiber reinforced polymer composite using embedded reduced graphene oxide coated fabrics and highly conductive graphene nanoplatelet paper.
SENSORS AND ACTUATORS A-PHYSICAL
(2024)
